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* cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
[pf3gnuchains/gcc-fork.git] / gcc / passes.c
index c087750..6437ab7 100644 (file)
@@ -191,11 +191,7 @@ rest_of_decl_compilation (tree decl,
           || DECL_INITIAL (decl))
          && !DECL_EXTERNAL (decl))
        {
-         /* When reading LTO unit, we also read varpool, so do not
-            rebuild it.  */
-         if (in_lto_p && !at_end)
-           ;
-         else if (TREE_CODE (decl) != FUNCTION_DECL)
+         if (TREE_CODE (decl) != FUNCTION_DECL)
            varpool_finalize_decl (decl);
          else
            assemble_variable (decl, top_level, at_end, 0);
@@ -222,9 +218,7 @@ rest_of_decl_compilation (tree decl,
     }
 
   /* Let cgraph know about the existence of variables.  */
-  if (in_lto_p && !at_end)
-    ;
-  else if (TREE_CODE (decl) == VAR_DECL && !DECL_EXTERNAL (decl))
+  if (TREE_CODE (decl) == VAR_DECL && !DECL_EXTERNAL (decl))
     varpool_node (decl);
 }
 
@@ -748,7 +742,6 @@ init_optimization_passes (void)
 
   /* Interprocedural optimization passes.  */
   p = &all_small_ipa_passes;
-  NEXT_PASS (pass_ipa_free_lang_data);
   NEXT_PASS (pass_ipa_function_and_variable_visibility);
   NEXT_PASS (pass_ipa_early_inline);
     {
@@ -757,6 +750,7 @@ init_optimization_passes (void)
       NEXT_PASS (pass_inline_parameters);
       NEXT_PASS (pass_rebuild_cgraph_edges);
     }
+  NEXT_PASS (pass_ipa_free_lang_data);
   NEXT_PASS (pass_early_local_passes);
     {
       struct opt_pass **p = &pass_early_local_passes.pass.sub;
@@ -809,7 +803,6 @@ init_optimization_passes (void)
 
   p = &all_regular_ipa_passes;
   NEXT_PASS (pass_ipa_whole_program_visibility);
-  NEXT_PASS (pass_ipa_profile);
   NEXT_PASS (pass_ipa_cp);
   NEXT_PASS (pass_ipa_inline);
   NEXT_PASS (pass_ipa_reference);
@@ -821,6 +814,7 @@ init_optimization_passes (void)
 
   p = &all_lto_gen_passes;
   NEXT_PASS (pass_ipa_lto_gimple_out);
+  NEXT_PASS (pass_ipa_lto_wpa_fixup);
   NEXT_PASS (pass_ipa_lto_finish_out);  /* This must be the last LTO pass.  */
   *p = NULL;
 
@@ -950,7 +944,6 @@ init_optimization_passes (void)
       NEXT_PASS (pass_forwprop);
       NEXT_PASS (pass_phiopt);
       NEXT_PASS (pass_fold_builtins);
-      NEXT_PASS (pass_optimize_widening_mul);
       NEXT_PASS (pass_tail_calls);
       NEXT_PASS (pass_rename_ssa_copies);
       NEXT_PASS (pass_uncprop);
@@ -1368,17 +1361,14 @@ pass_init_dump_file (struct opt_pass *pass)
       if (dump_file && current_function_decl)
        {
          const char *dname, *aname;
-         struct cgraph_node *node = cgraph_node (current_function_decl);
          dname = lang_hooks.decl_printable_name (current_function_decl, 2);
          aname = (IDENTIFIER_POINTER
                   (DECL_ASSEMBLER_NAME (current_function_decl)));
          fprintf (dump_file, "\n;; Function %s (%s)%s\n\n", dname, aname,
-            node->frequency == NODE_FREQUENCY_HOT
+            cfun->function_frequency == FUNCTION_FREQUENCY_HOT
             ? " (hot)"
-            : node->frequency == NODE_FREQUENCY_UNLIKELY_EXECUTED
+            : cfun->function_frequency == FUNCTION_FREQUENCY_UNLIKELY_EXECUTED
             ? " (unlikely executed)"
-            : node->frequency == NODE_FREQUENCY_EXECUTED_ONCE
-            ? " (executed once)"
             : "");
        }
       return initializing_dump;
@@ -1497,20 +1487,10 @@ execute_one_ipa_transform_pass (struct cgraph_node *node,
 void
 execute_all_ipa_transforms (void)
 {
-  enum cgraph_state old_state = cgraph_state;
   struct cgraph_node *node;
   if (!cfun)
     return;
   node = cgraph_node (current_function_decl);
-
-  /* Statement verification skip verification of nothorw when
-     state is IPA_SSA because we do not modify function bodies
-     after setting the flag on function.  Instead we leave it
-     to fixup_cfg to do such a transformation.  We need to temporarily
-     change the cgraph state so statement verifier before
-     transform do not fire.  */
-  cgraph_state = CGRAPH_STATE_IPA_SSA;
-
   if (node->ipa_transforms_to_apply)
     {
       unsigned int i;
@@ -1524,7 +1504,6 @@ execute_all_ipa_transforms (void)
       VEC_free (ipa_opt_pass, heap, node->ipa_transforms_to_apply);
       node->ipa_transforms_to_apply = NULL;
     }
-  cgraph_state = old_state;
 }
 
 /* Execute PASS. */
@@ -1655,7 +1634,6 @@ execute_pass_list (struct opt_pass *pass)
 
 static void
 ipa_write_summaries_2 (struct opt_pass *pass, cgraph_node_set set,
-                      varpool_node_set vset,
                       struct lto_out_decl_state *state)
 {
   while (pass)
@@ -1672,7 +1650,7 @@ ipa_write_summaries_2 (struct opt_pass *pass, cgraph_node_set set,
          if (pass->tv_id)
            timevar_push (pass->tv_id);
 
-         ipa_pass->write_summary (set,vset);
+         ipa_pass->write_summary (set);
 
          /* If a timevar is present, start it.  */
          if (pass->tv_id)
@@ -1680,7 +1658,7 @@ ipa_write_summaries_2 (struct opt_pass *pass, cgraph_node_set set,
        }
 
       if (pass->sub && pass->sub->type != GIMPLE_PASS)
-       ipa_write_summaries_2 (pass->sub, set, vset, state);
+       ipa_write_summaries_2 (pass->sub, set, state);
 
       pass = pass->next;
     }
@@ -1691,17 +1669,14 @@ ipa_write_summaries_2 (struct opt_pass *pass, cgraph_node_set set,
    summaries.  SET is the set of nodes to be written.  */
 
 static void
-ipa_write_summaries_1 (cgraph_node_set set, varpool_node_set vset)
+ipa_write_summaries_1 (cgraph_node_set set)
 {
   struct lto_out_decl_state *state = lto_new_out_decl_state ();
-  state->cgraph_node_encoder = lto_cgraph_encoder_new ();
-  state->varpool_node_encoder = lto_varpool_encoder_new ();
-
   lto_push_out_decl_state (state);
 
-  gcc_assert (!flag_wpa);
-  ipa_write_summaries_2 (all_regular_ipa_passes, set, vset, state);
-  ipa_write_summaries_2 (all_lto_gen_passes, set, vset, state);
+  if (!flag_wpa)
+    ipa_write_summaries_2 (all_regular_ipa_passes, set, state);
+  ipa_write_summaries_2 (all_lto_gen_passes, set, state);
 
   gcc_assert (lto_get_out_decl_state () == state);
   lto_pop_out_decl_state ();
@@ -1714,9 +1689,7 @@ void
 ipa_write_summaries (void)
 {
   cgraph_node_set set;
-  varpool_node_set vset;
   struct cgraph_node **order;
-  struct varpool_node *vnode;
   int i, order_pos;
 
   if (!flag_generate_lto || errorcount || sorrycount)
@@ -1748,77 +1721,24 @@ ipa_write_summaries (void)
          renumber_gimple_stmt_uids ();
          pop_cfun ();
        }
-      if (node->needed || node->reachable || node->address_taken)
-       cgraph_node_set_add (set, node);
+      cgraph_node_set_add (set, node);
     }
-  vset = varpool_node_set_new ();
 
-  for (vnode = varpool_nodes; vnode; vnode = vnode->next)
-    if (vnode->needed && !vnode->alias)
-      varpool_node_set_add (vset, vnode);
-
-  ipa_write_summaries_1 (set, vset);
+  ipa_write_summaries_1 (set);
 
   free (order);
   ggc_free (set);
-  ggc_free (vset);
 }
 
-/* Same as execute_pass_list but assume that subpasses of IPA passes
-   are local passes. If SET is not NULL, write out optimization summaries of
-   only those node in SET. */
-
-static void
-ipa_write_optimization_summaries_1 (struct opt_pass *pass, cgraph_node_set set,
-                      varpool_node_set vset,
-                      struct lto_out_decl_state *state)
-{
-  while (pass)
-    {
-      struct ipa_opt_pass_d *ipa_pass = (struct ipa_opt_pass_d *)pass;
-      gcc_assert (!current_function_decl);
-      gcc_assert (!cfun);
-      gcc_assert (pass->type == SIMPLE_IPA_PASS || pass->type == IPA_PASS);
-      if (pass->type == IPA_PASS
-         && ipa_pass->write_optimization_summary
-         && (!pass->gate || pass->gate ()))
-       {
-         /* If a timevar is present, start it.  */
-         if (pass->tv_id)
-           timevar_push (pass->tv_id);
-
-         ipa_pass->write_optimization_summary (set, vset);
-
-         /* If a timevar is present, start it.  */
-         if (pass->tv_id)
-           timevar_pop (pass->tv_id);
-       }
-
-      if (pass->sub && pass->sub->type != GIMPLE_PASS)
-       ipa_write_optimization_summaries_1 (pass->sub, set, vset, state);
-
-      pass = pass->next;
-    }
-}
 
-/* Write all the optimization summaries for the cgraph nodes in SET.  If SET is
+/* Write all the summaries for the cgraph nodes in SET.  If SET is
    NULL, write out all summaries of all nodes. */
 
 void
-ipa_write_optimization_summaries (cgraph_node_set set, varpool_node_set vset)
+ipa_write_summaries_of_cgraph_node_set (cgraph_node_set set)
 {
-  struct lto_out_decl_state *state = lto_new_out_decl_state ();
-  state->cgraph_node_encoder = lto_cgraph_encoder_new ();
-  state->varpool_node_encoder = lto_varpool_encoder_new ();
-  lto_push_out_decl_state (state);
-
-  gcc_assert (flag_wpa);
-  ipa_write_optimization_summaries_1 (all_regular_ipa_passes, set, vset, state);
-  ipa_write_optimization_summaries_1 (all_lto_gen_passes, set, vset, state);
-
-  gcc_assert (lto_get_out_decl_state () == state);
-  lto_pop_out_decl_state ();
-  lto_delete_out_decl_state (state);
+  if (flag_generate_lto && !(errorcount || sorrycount))
+    ipa_write_summaries_1 (set);
 }
 
 /* Same as execute_pass_list but assume that subpasses of IPA passes
@@ -1863,57 +1783,13 @@ ipa_read_summaries_1 (struct opt_pass *pass)
 void
 ipa_read_summaries (void)
 {
-  ipa_read_summaries_1 (all_regular_ipa_passes);
+  if (!flag_ltrans)
+    ipa_read_summaries_1 (all_regular_ipa_passes);
   ipa_read_summaries_1 (all_lto_gen_passes);
 }
 
 /* Same as execute_pass_list but assume that subpasses of IPA passes
    are local passes.  */
-
-static void
-ipa_read_optimization_summaries_1 (struct opt_pass *pass)
-{
-  while (pass)
-    {
-      struct ipa_opt_pass_d *ipa_pass = (struct ipa_opt_pass_d *) pass;
-
-      gcc_assert (!current_function_decl);
-      gcc_assert (!cfun);
-      gcc_assert (pass->type == SIMPLE_IPA_PASS || pass->type == IPA_PASS);
-
-      if (pass->gate == NULL || pass->gate ())
-       {
-         if (pass->type == IPA_PASS && ipa_pass->read_optimization_summary)
-           {
-             /* If a timevar is present, start it.  */
-             if (pass->tv_id)
-               timevar_push (pass->tv_id);
-
-             ipa_pass->read_optimization_summary ();
-
-             /* Stop timevar.  */
-             if (pass->tv_id)
-               timevar_pop (pass->tv_id);
-           }
-
-         if (pass->sub && pass->sub->type != GIMPLE_PASS)
-           ipa_read_optimization_summaries_1 (pass->sub);
-       }
-      pass = pass->next;
-    }
-}
-
-/* Read all the summaries for all_regular_ipa_passes and all_lto_gen_passes.  */
-
-void
-ipa_read_optimization_summaries (void)
-{
-  ipa_read_optimization_summaries_1 (all_regular_ipa_passes);
-  ipa_read_optimization_summaries_1 (all_lto_gen_passes);
-}
-
-/* Same as execute_pass_list but assume that subpasses of IPA passes
-   are local passes.  */
 void
 execute_ipa_pass_list (struct opt_pass *pass)
 {